/***************************************************************************
 *   Copyright (C) 2008 by Eduardo Gurgel Pinho                            *
 *   edgurgel@gmail.com                                                    *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
***************************************************************************/

#ifndef __RAY_H__
#define __RAY_H__

#include <boost/serialization/nvp.hpp>
#include <boost/serialization/version.hpp>

#include "vector.h"

namespace Sirat {

namespace Math {
	
class Ray {
	
public:
	Ray(const Vector& _origin, const Vector& _direction);
	Ray(const Vector& _origin);
	Ray();
	Ray(const Ray& _ray);
	~Ray();

	void set_origin(const Vector&);
	void set_direction(const Vector&);

	Vector get_origin() const;
	Vector get_direction() const;
	
	Ray& operator=(const Ray& _ray);
	
private:
	friend class boost::serialization::access;
	template<class Archive> void serialize(Archive&, const unsigned int);
	
	Vector origin;
	Vector direction;
};

template<class Archive> void Ray::serialize(Archive& ar, const unsigned int /* file_version */){
	ar  & BOOST_SERIALIZATION_NVP(origin)
		& BOOST_SERIALIZATION_NVP(direction);
}

inline
Vector Ray::get_origin() const { return origin; }

inline
Vector Ray::get_direction() const { return direction; }

}

}

#endif
